MDKSA-2005:001

Problem description

Several vulnerabilities have been discovered in the libtiff package:
iDefense reported the possibility of remote exploitation of an integer
overflow in libtiff that may allow for the execution of arbitrary code.
The overflow occurs in the parsing of TIFF files set with the
STRIPOFFSETS flag.
iDefense also reported a heap-based buffer overflow vulnerability
within the LibTIFF package could allow attackers to execute arbitrary
code. (CAN-2004-1308)
The vulnerability specifically exists due to insufficient validation of
user-supplied data when calculating the size of a directory entry.
The updated packages are patched to protect against these
vulnerabilities.